The most common and most likely answer to this crossword clue is the 8 letter word ANNOUNCE
I've seen this crossword clue in The Times
A
N
N
O
U
N
C
E
More clues leading to the result ANNOUNCE
- A new type of word put on church report
- Report of a snow leopard being broadcast
- Reveal girl's put on a little weight
- Introduce a new cat by name
- Declare girl’s a lightweight?
- Tell everyone girl’s gained weight
- Declare arrival of girl, then wait, by sound of it?
- A cat called Blaze
- Intimate girl with cat
- Article: neuter cat for a fraction of a pound
Buddy explains!

The straight part
We know that "report" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case report = announce.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ANNOUNCE mean?
ANNOUNCE verb- To give public notice, especially for the first time; to make known
- To pronounce; to declare by judicial sentence